Control Valve Body: Disassembly
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Control valve body springs can be tightly compressed. Use care when removing retainers and plugs.
Thoroughly clean and air dry control valve body. Remove each valve train, noting location of each component. Some valves are under spring pressure, cover bores when removing retainers. Remove retainers with small screwdriver. Position valves, springs and bushings on clean surface in order removed. See Figure & Figure.